CN202033784U - UHF (Ultra High Frequency) bandwidth RFID (Radio Frequency Identification) washing-specific tag - Google Patents
UHF (Ultra High Frequency) bandwidth RFID (Radio Frequency Identification) washing-specific tag Download PDFInfo
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- CN202033784U CN202033784U CN2011200627715U CN201120062771U CN202033784U CN 202033784 U CN202033784 U CN 202033784U CN 2011200627715 U CN2011200627715 U CN 2011200627715U CN 201120062771 U CN201120062771 U CN 201120062771U CN 202033784 U CN202033784 U CN 202033784U
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- power supply
- rfid
- antenna
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- chip
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Abstract
The utility model relates to a UHF bandwidth RFID washing-specific tag, which is still durable in extremely severe using environment. The aerial radiation portion and the power supply portion of an RFID tag are designed into a separated type, the power supply portion employs a hard material not liable to deformation so as to guarantee that an RFID IC chip and the power supply portion are prevented from being damaged under external environment stress, and the aerial radiation portion and the power supply portion are in sealing connection via thermal compression welding in the process of packaging. The power supply portion and the aerial radiation portion can be in direct circuit connection via a conductive through hole, or in indirect connection via the mode of electromagnetic coupling. The tag provided in the utility model is arranged on clothing, has the characteristics of chemical resistance, water resistance and heat resistance, and has good endurance in severe washing environment.
Description
Technical field
The utility model is about still long-lived RFID[Radio Frequency Identification under exceedingly odious environment for use] washing label and designing and manufacturing method thereof.Specifically, be exactly a kind of being attached on the clothing, RFID Chip and label still have no damage and keep the special tags of original performance after washing or high speed dewatering, hot iron process.
Background technology
In general, RFID[Radio Frequency Identification] technology is meant the technology of utilizing electric wave to discern remote information.The RFID label is made up of antenna and direct circuit, and information is recorded in the direct circuit, gives recognizer by antenna with information transmission.This information is used for the state of identification label request.Briefly, be exactly the similar function of bar code [Barcode].
The difference of RFID and bar code [Barcode] systemic-function is that the latter utilizes light to discern, and the former utilizes electric wave to discern.Therefore only be applicable to short distance unlike bar code [Barcode] recognizer, and the RFID recognizer can be distinguished the RFID label at a distance too, even can receive information by the object between the gap.
So the RFID label need not as bar code direct contact or must be in visual bandwidth range interscan [Scanning], RFID is considered to substitute a kind of technology of bar code [Barcode] recently, and its range of application is also increasing.
Existing RFID label is made up of direct circuit chip (Chip) and antenna, and RFID direct circuit chip is connected with antenna, has an effect storage and calculation information specific by the energy that electric field produced of antenna emission.Antenna with RFID direct circuit Chip be the center about form circuit, and be connected with RFID direct circuit chip, receive transmission information by the radio communication with read write line, the information that information stores maybe will be stored on the chip on RFID direct circuit chip sends on the read write line.But also there are the following problems for above-mentioned existing RFID label:
Even RFID Chip is not had coup injury, but the stress that environment for use produced may make the disconnection that is connected of RFID Chip and antenna, and the bad phenomenon of antenna circuit recognition identification perhaps takes place.Antenna deformation, frequency of operation change under the environment of this external high temperature humidity, the problem that also can cause recognition [Reading] distance to diminish.And, very fragile under moisture and moisture, recognition [Reading] distance may occur and diminish, discern bad phenomenon.
RFID (Radio Frequency Identification) technology is a kind of by after on the various things label being set, the intrinsic ID of wireless identification things, thereby a kind of technology of identification things.The RFID system is according to the suitable application area scope, can be widely used in the various frequency bandwidths from the low frequency bandwidth of 125kHz to the microwave bandwidth of 5.8GHz.Recently in the circulation logistics field, along with the increase to the demand of remote identification, the frequency of operation of rfid system has been higher than the UHF bandwidth.Along with the increase of frequency, in order to make the system performance maximization of decipherment distance, the design of RFID label antenna just becomes an important factors.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of UHF bandwidth RFID washing special tags and designing and manufacturing method thereof are provided, the utility model label is used to be arranged on clothing, has the characteristics of chemically-resistant thing, waterproof heat resistant, good endurance in abominable wash environment.
For achieving the above object, the designing and manufacturing method technical scheme that the utility model proposes is: the antenna radioactive department and the power supply of FRID label are designed to separate type, thereby power supply adopts on-deformable hard material to guarantee that externally RFID IC chip and power supply are avoided damage under the environmental stress, and antenna radioactive department and power supply form sealing by the hot pressing welding and link in packing [Packaging] process.
Further specify, in order to adapt to the special environment for use of washing, can be connected by conduction [Conductive] through hole [Through Hole] direct circuit between described power supply and the antenna radioactive department, perhaps connect indirectly by electromagnetism [Electromagnetic] [Coupling] mode that is coupled between the two.Described electromagnetic coupled mode realizes indirect connection, belongs to prior art in this area.
Further specify, described power supply forms with PCB in order to add easy match circuit [Matching Circuit].For the better power supply that must protect the RFID label under special environment for use, the power supply of hard is by which floor PBC to be formed, and the cap structure that hard is set on power supply top is in order to the impedance matching circuit in the protection power supply.Described impedance matching circuit [Impedance Matching Circuit] is the common practise in present technique field, and non-the utility model is to the contribution of prior art, and this instructions does not describe in detail.
Further limit, its THICKNESS CONTROL of described cap structure is in 0.3mm.
Further specify; for the better IC chip that must protect the RFID label under special environment for use; form circular recessed space structure on the top of power supply and be used for placing binding RFID Chip, and application High temp. epoxy resins [Epoxy] is used to protect the IC Chip that exposes.
Further specify, adopt silicones hot bonding technology to form the sealing external packing layer of described power supply and antenna radioactive department, have the characteristics of chemically-resistant thing, heat-resisting, waterproof, adapt to special environment for use.Because the broken line of the antenna circuit that fold brings, can not appear as encapsulant in the flexible silicone that adopts high resiliency, waterproof heat resistant characteristic.
Further optimize, in silicones packing [Packaging] process,, on the embedding film [Inlay Film] at label antenna place, get one or more through holes in order to increase the silicones cohesive force of the upper and lower part that hot bonding produces.
Described antenna radioactive department is dipole antenna [Dipole Antenna] form with half-wavelength [λ/2] length of required resonant frequency [Resonant Frequency].
The UHF bandwidth RFID that is designed and produced by said method washs special tags, this label construction technical scheme is: comprise IC chip [Chip], antenna radioactive department, the power supply with described antenna radioactive department formation impedance matching [Impedance Matching], silicones packing [Packaging] portion, described IC chip [Chip] binding is arranged at the top of power supply, described power supply is to make with the hard material that counter stress is had strong complaints, and described antenna radioactive department and power supply are welded by hot pressing in packing [Packaging] process.
For carrying out direct circuit, power supply and antenna radioactive department be connected, on the power supply of hard material, be provided with conduction [Conductive] through hole [Through Hole], thereby realize that the Chip of power supply top binding is connected with circuit between the beneath antenna radioactive department of power supply.
Do not having on the power supply under the conduction of formation [Conductive] through hole [Through Hole] situation, realizing indirect connection between upper chip and the bottom antenna radioactive department in coupling [Coupling] mode.
The antenna radioactive department is received the electromagnetic wave that read write line [Reader and Writer] sends, and power supply carries out rectification to the electromagnetic wave of this reception, obtains the operation power supply, and this operation power supply is supplied with the antenna radioactive department, and the antenna radioactive department is brought into play the electromagnetic effect of radiation again.Compare with existing common label, the utility model UHF bandwidth RFID washing special tags has following effect:
(1) the antenna radioactive department of RFID label and power supply adopt separate design, power supply is to make with on-deformable hard material, adopt through hole [Through Hole] direct circuit connected mode between antenna radioactive department and the power supply or connect indirectly in electromagnetic coupled [electromagnetic coupling] mode, the chip of RFID label is arranged in the concave configuration of hard power supply.Thus, RFID Chip can not be damaged under abominable wash environment, and being connected yet between RFID Chip and the antenna can not disconnect because of the stress that environment for use exists, and stopped to cause tag recognition bad because of opening circuit appears in antenna circuit.
(2) because the RFID label outer packaging [Packaging] that antenna radioactive department and power supply are firmly combined all the time is to form with silicones hot bonding technology; in the washing process unavoidably fold can appear; the silicones flexible material all has good reducing power [being elasticity] to flexural deformation arbitrarily; hot bonding technology has guaranteed waterproof effect; the thermotolerance that has height simultaneously; can effectively protect the RFID label, not be subjected to high temperature such as dry and flatiron to handle the impact of the external temperature that brings.The silicones of flexible material packing [Packaging] also can protect the RFID label not sustain damage because of external physical impact in addition.
Description of drawings
Fig. 1 is the oblique view of the utility model embodiment UHF bandwidth RFID label.
Fig. 2 is that RFID label shown in Figure 1 is in A-A place cross sectional representation.
Fig. 3 is the partial enlarged drawing of Fig. 2 synoptic diagram middle body.
Fig. 4 is the power supply enlarged diagram that the RFID label takes out among Fig. 1.
Fig. 5 is the stravismus synoptic diagram that the antenna radioactive department of RFID label shown in Figure 1 bottom amplifies.
Embodiment reference numeral explanation: 100: label [tag]; 10: the antenna radioactive department; 20: power supply, 21: over cap, 22: epoxy resin layer; 23: recessed space structure; 30: conduction through hole [Conductive Through Hole], 40: IC chip [IC Chip], 50: silicones packing [Packaging] portion; 60: embedding film [Inlay Film], 61: embedding film through hole [Through Hole].
Embodiment
To contrast institute's accompanying drawing below, the actual use for example of the present utility model described in detail.
Antenna radioactive department 10 is exceedingly odious in view of environment for use with power supply 20, in order to improve the internal structure of RFID label, carried out separate design, in order to realize that power supply 20 is connected with circuit between the antenna radioactive department 10, from the RFID Chip40 junction on top to antenna radioactive department 10 junctions of bottom run through 30 with conduction and be connected.Can also connect by electromagnetic coupled [Electromagnetic Coupling] mode simultaneously between antenna radioactive department 10 and the power supply 20.Described antenna radioactive department 10 and power supply 20 are welded by hot pressing in packing [Packaging] process.Binding has RFID Chip40 on the top of described power supply 20, and described power supply 20 is made with on-deformable hard material, during washing, can not be subjected to since under the stress influence that any distortion of clothing produces RFID Chip40 by breakage.Simultaneously, because RFID label 100 adopts the flexible material silicones hot bonding with high resiliency, waterproof heat resistant to tap into the row sealing, make it can not occur RIFD Chip40 breakage or tag performance and descend under exceedingly odious wash environment, the RFID label antenna of UHF bandwidth still can normally use.
As Fig. 1, shown in Figure 2, present embodiment UHF bandwidth RFID label comprises IC chip 40, antenna radioactive department 10, power supply 20 with described antenna radioactive department formation impedance matching [Impedance Matching], silicones packing [Packaging] portion 50, described IC chip [Chip] 40 bindings are arranged at the top of power supply, described power supply 20 is to make with the hard material that counter stress is had strong complaints, described antenna radioactive department and power supply are welded by hot pressing in packing [Packaging] process, thereby are formed on antenna radioactive department 10 and the silicones packing department [Packaging] 50 of power supply 20 peripheries for sealing.On the power supply 20 of hard material, be provided with conduction [Conductive] through hole [Through Hole] 30, thereby realize that the Chip40 of power supply top binding is connected with circuit between the beneath antenna radioactive department 10 of power supply.
The power supply synoptic diagram of UHF bandwidth RFID label antenna as shown in Figure 4, power supply 20 is to be made by the hard material that external stress is had strong complaints, in view of the workability that adds easy impedance matching circuit [Impedance Matching Circuit] and conduction [Conductive] through hole [Through hole] 30, power supply 20 is to be made of PCB.Power supply 20 is provided with one or more conductions [Conductive] through hole [Through Hole] 30, connects the chip on power supply 20 tops and the antenna radioactive department of bottom in order to perforation.
As optimal practical application example, IC Chip40 does not expose, and the whole height of RFID label 100 is below 2.0mm.It should be noted that especially the thickness of described over cap [21] is good to be no more than 0.3mm in view of the whole height of binding [Bonding] technology (this binding technology is this area routine techniques) and RFID label 100.
The radioactive department synoptic diagram of the utility model UHF bandwidth RFID label antenna as shown in Figure 5, antenna radioactive department 10 is dipole antenna [Dipole Antenna] form with half-wavelength [λ/2] length of required resonant frequency [Resonant Frequency].Antenna radioactive department 10 is to be made by copper [Cu] or aluminium [Al].
It is to realize that by being provided with one or more conduction [Conductive] through hole [Through Hole] 30 in the power supply 20 antenna radioactive department 10 coheres by hot bonding technology with power supply 20 and is integral simultaneously that antenna radioactive department 10 is connected with circuit between the power supply 20.Under hot conditions, especially more than 90 degree Celsius, because each material coefficient of thermal expansion and contraction difference, relative displacement can appear in the antenna circuit on embedding film [Inlay Film] 60 and the printing embedding film, for this reason, stamp one or more through hole 61 on embedding film [Inlay Film] 60, silicones also can pass through these through holes 61 in the hot bonding process, thereby be increased in the cohesive force between the silicone layer of top and the bottom in the hot bonding process, be similar to and added fixedly nail.In the various distortion that the FRID label occurs under exceedingly odious wash environment, mutual disengaging can not take place between embedding film [Inlay Film] 60 and antenna and the silicones encapsulant.
As mentioned above, contrast for example diagram is illustrated RFID label antenna of the present utility model, thereby only is the explanation of a kind of default property to the detailed description of above-mentioned diagram and utility model, and the utility model is not limited to example and diagram.The Chang Shizhe that possesses the present technique field is appreciated that the resultant various distortion and the similar possibility of other examples.So the utility model is not in surmounting additional utility model technological thought that patent claim provided or territory, the change that can be equal to the inscape for the treatment of should belong to the utility model.
Claims (5)
1. a UHF bandwidth RFID washs special tags, it is characterized in that, this special tags comprises IC chip, antenna radioactive department, forms power supply, the silicones packing department of impedance matching with described antenna radioactive department, described IC chip binding is arranged at the top of power supply, described power supply is to make with the hard material that counter stress is had strong complaints, and described antenna radioactive department and power supply are welded by hot pressing in packaging process.
2. special tags as claimed in claim 1 is characterized in that, is connected by conduction through hole direct circuit between described power supply and the antenna radioactive department, perhaps connects indirectly by the electromagnetic coupled mode between the two.
3. special tags as claimed in claim 1 is characterized in that, the power supply of described hard is by which floor PBC to be formed, and the over cap structure of hard is set on power supply top.
4. special tags as claimed in claim 1 is characterized in that, described antenna radioactive department is the dipole antenna form with half-wavelength length of required resonant frequency.
5. special tags as claimed in claim 1 is characterized in that, forms concave space under the circle on the top of power supply, in the following concave space of described RFID chip binding, and the outer application epoxy resin layer of RFID chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200627715U CN202033784U (en) | 2011-03-11 | 2011-03-11 | UHF (Ultra High Frequency) bandwidth RFID (Radio Frequency Identification) washing-specific tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200627715U CN202033784U (en) | 2011-03-11 | 2011-03-11 | UHF (Ultra High Frequency) bandwidth RFID (Radio Frequency Identification) washing-specific tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033784U true CN202033784U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200627715U Expired - Fee Related CN202033784U (en) | 2011-03-11 | 2011-03-11 | UHF (Ultra High Frequency) bandwidth RFID (Radio Frequency Identification) washing-specific tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129599A (en) * | 2011-03-11 | 2011-07-20 | 江苏中科方盛信息科技有限公司 | RFID (Radio Frequency Identification Devices) tag with UHF (Ultra High Frequency) bandwidth special for washing and designing and manufacturing method thereof |
| RU207207U1 (en) * | 2021-02-19 | 2021-10-18 | Публичное акционерное общество "Микрон" (ПАО "Микрон") | SMALL RADIO FREQUENCY LABEL UHF RANGE FOR HARD OPERATING CONDITIONS |
-
2011
- 2011-03-11 CN CN2011200627715U patent/CN202033784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129599A (en) * | 2011-03-11 | 2011-07-20 | 江苏中科方盛信息科技有限公司 | RFID (Radio Frequency Identification Devices) tag with UHF (Ultra High Frequency) bandwidth special for washing and designing and manufacturing method thereof |
| CN102129599B (en) * | 2011-03-11 | 2015-05-20 | 江苏中科方盛信息科技有限公司 | RFID (Radio Frequency Identification Devices) tag with UHF (Ultra High Frequency) bandwidth special for washing and designing and manufacturing method thereof |
| RU207207U1 (en) * | 2021-02-19 | 2021-10-18 | Публичное акционерное общество "Микрон" (ПАО "Микрон") | SMALL RADIO FREQUENCY LABEL UHF RANGE FOR HARD OPERATING CONDITIONS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20150311 |
|
| EXPY | Termination of patent right or utility model |